Edelbrock Dual-Quad Manifolds For Chevy LS1

Get late-model muscle of the popular Gen III and the classic look of dual-quad carbs. Designed for LS1, LS6, LM7 (5.3L), LR4 (4.8L), and LQ4 (6.0L) engines, the RPM Air-Gap LS1 Dual-Quad delivers outstanding performance from 1500 to 6500 rpm. Included with the #7518/#75184 is an electronic timing module that picks up MAP, crank position, and cam position in order to drive the stock LS1 Coil-on-Plug ignition system. Also available, complete carb and manifold kits. Carb center-to-center measurement is 6-7/16".
Chevy LS1 RPM Air-Gap Dual-Quad Intake Manifolds by Edelbrock
Application Dyno Emissions Part #
RPM Air-Gap Dual-Quad Kit with Timing Control Module for LS1 (non-EGR) - 7518
RPM Air-Gap Dual-Quad Kit with EnduraShine Finish for LS1 (non-EGR) - 75184
Edelbrock Carburetor Recommendation CARB RECOMMENDATIONS: Edelbrock Thunder Series AVS or Performer Series (500 cfm) Carburetor.
Edelbrock Installation Note INSTALLATION NOTE: Uses LS1/LS6 style individual port o-ring seals. Crankshaft sleeve #HP3795 and Flexplate #HP4004 is recommended when using a TH350, TH400 or 700R4 on a LS1; these items are available through Hughes Performance retailers or you can call Hughes at 800-274-RACE. Manifold height: A-5.05", B-5.64"; Carb pad height: 5.35". Port exit dimensions: .98" x 2.72". For the heights of all Edelbrock manifolds, please visit the the Manifold Reference Dimensions page.

(A) LS1 Timing Control Module #91238 works on LS1 24x reluctor wheel (crank trigger) applications only; LS2 applications with 58x reluctor (crank trigger) requires MSD #6012 ignition controller. Please contact MSD tech for details (915) 857-5200 or www.msdperformance.com. LS1 (24x) applications can be recognized by the rear mounted cam position sensor which is black in color, while LS2 (58x) cam sensor is mounted in the timing cover and is gray in color.

The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps